Stone, Daniel Z. (2001). The Polish-Lithuanian state 1386-1795. University of Washington Press. pp. 30, 102. ISBN 978-0295980935. 978-0295980935
Wieslaw Wydra, "Die ersten in polnischer Sprache gedruckten Texte, 1475–1520", Gutenberg-Jahrbuch, Vol. 62 (1987), pp. 88–94 (88) /wiki/Gutenberg-Jahrbuch
Wieslaw Wydra, "Die ersten in polnischer Sprache gedruckten Texte, 1475–1520", Gutenberg-Jahrbuch, Vol. 62 (1987), pp. 88–94 (88) /wiki/Gutenberg-Jahrbuch
(in English) Davies, Norman (2005). "Anjou: The Hungarian Connection". God's Playground: A History of Poland in Two Volumes. Vol. I. Oxford: Oxford University Press. p. 118. ISBN 0-19-925339-0. 0-19-925339-0
Stone, Daniel Z. (2001). The Polish-Lithuanian state 1386-1795. University of Washington Press. pp. 30, 102. ISBN 978-0295980935. 978-0295980935
"Old Prints Department - History of the collection". bu.uni.wroc.pl. Wroclaw University Library. Archived from the original on 13 July 2018. Retrieved 12 July 2018. https://web.archive.org/web/20180713072534/https://www.bu.uni.wroc.pl/en/departments/sand-island/old-prints-department-history-of-collection
"The history of literature in Krakow". krakowcityofliterature.com. Archived from the original on 16 June 2019. Retrieved 19 December 2017. https://web.archive.org/web/20190616103432/http://krakowcityofliterature.com/city-of-literature/the-history-of-literature-in-krakow/
(in English) Davies, Norman (2005). "Anjou: The Hungarian Connection". God's Playground: A History of Poland in Two Volumes. Vol. I. Oxford: Oxford University Press. p. 118. ISBN 0-19-925339-0. 0-19-925339-0